Bibliographic/Literature Mapping Tools
| Name | Data Source |
| CiteSpace | WOS, Scopus, Crossref, Lens.org, and more with conversion |
| VOSviewer | Accepts WOS, Scopus,Dimensions, Crossref, COCI, OCC, Lens.org, Wikidata, OpenAlex and more |
| Open Knowledge Maps | Base or PubMed |
| Ebsco Concept Map | Ebsco index (including available controlled vocab |
| Yewno Discovery | Yewno index |
| Iris.ai | Iris index |
| Whocites (source) | Google Scholar |
| Citation Gecko | OpenCitations Index of Crossref Open DOI-to-DOI Citations (COCI) & OpenCitations Corpus (OCC) |
| Location Citation Network | OpenAlex, Semantic Scholar Academic Graph or Crossref or OpenCitations |
| CoCites ( discontinued after 31 Dec 2023) | NIH Open Citation Collection (NIH-OCC). |
| Connected Papers | Semantic Scholar Open Research Corpus |
| Papergraph | Semantic Scholar Open Research Corpus |
| Inciteful | Chiefly OpenAlex Crossref, OpenCitations, Semantic Scholar (mainly) |
| Litmaps | OpenAlex, with some previous data imports from Crossref and Semantic Scholar. Currently covers only items with DOI |
| Citation Chaser (Available as R package) | Lens.org |
| ResearchRabbit | Microsoft Academic Graph , keyword search used Lens.org Pubmed |
| Pure Suggest | Crossref, OpenCitations |
| Citation Tree | Crossref, Semantic Scholar |